56602531 has 4 divisors (see below), whose sum is σ = 56632032. Its totient is φ = 56573032.

The previous prime is 56602499. The next prime is 56602543. The reversal of 56602531 is 13520665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56602531 - 2⁵ = 56602499 is a prime.

It is a super-2 number, since 2×56602531² = 6407693031211922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56602531.

It is not an unprimeable number, because it can be changed into a prime (56602561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11656 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (14158008).

Almost surely, 2^56602531 is an apocalyptic number.

56602531 is a deficient number, since it is larger than the sum of its proper divisors (29501).

56602531 is a wasteful number, since it uses less digits than its factorization.

56602531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29500.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56602531 is about 7523.4653584635. The cubic root of 56602531 is about 383.9534878379.

The spelling of 56602531 in words is "fifty-six million, six hundred two thousand, five hundred thirty-one".